Cita APA (7a ed.)

Schieffer, R. (1992). Die Karolinger: Rudolf Schieffer. Kohlhammer.

Cita Chicago Style (17a ed.)

Schieffer, Rudolf. Die Karolinger: Rudolf Schieffer. Stuttgart [u.a.]: Kohlhammer, 1992.

Cita MLA (8a ed.)

Schieffer, Rudolf. Die Karolinger: Rudolf Schieffer. Kohlhammer, 1992.